Merge pull request #10 from buxx/pyup-scheduled-update-12-04-2017

requirements.txt

 py==1.5.2
 pyglet==1.3.0
 pyparsing==2.2.0
-pytest==3.2.5
+pytest==3.3.0
 pytest-cov==2.5.1
-pytest-timeout==1.2.0
+pytest-timeout==1.2.1
 pytest-xdist==1.20.1
 python-dateutil==2.6.1
 PyYAML==3.12